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plate of brownies.

Banana Brownies (Grain Free!)

  • Author: Alexis Joseph
  • Prep Time: 5 minutes
  • Cook Time: 30 minutes
  • Total Time: 35 minutes
  • Yield: 12-16 brownies 1x
  • Category: Dessert
  • Method: Oven
  • Cuisine: American
  • Diet: Gluten Free


Incredible 8-ingredient Banana Brownies! Moist, rich brownies with a hint of banana flavor. Made with peanut butter and sweetened with maple syrup, these better-for-you-brownies come together in no time. One bowl, simple to make, and gluten free.


Units Scale
  • 1/2 cup overripe mashed banana (mine were totally brown!)
  • 3/4 cup natural peanut butter* (ingredients should be peanuts and salt)
  • 1/2 cup pure maple syrup
  • 1 large egg or flax egg**
  • 1 tsp vanilla extract
  • 1/3 cup cocoa powder
  • 3/4 tsp baking soda
  • 1/2 cup chocolate chips, plus more for sprinkling on top (walnuts are amazing too!)
  • Chocolate Cream Cheese Frosting, optional for topping


  1. Preheat oven to 350F. Line an 8x8 inch baking dish with parchment paper.
  2. Mash banana with a fork in a large mixing bowl and measure to ensure you have 1/2 cup. Add peanut butter, maple syrup, egg or flax egg, and vanilla. Whisk well to combine.
  3. Add cocoa powder, baking soda, and salt if your peanut butter is unsalted. Whisk to combine then stir in in chocolate chips.
  4. Pour batter into prepared baking dish. Top with a few more chocolate chips and flaky salt if you're feeling fancy. Bake for 27-28 minutes, or until a knife comes out with a few crumbs. Do not over-bake! Let brownies cool in pan on a wire rack for at least 30 minutes (or ideally until fully cooled) before slicing. These are amazing right out of the refrigerator, too!


*Peanut butter should have a drippy consistency. Add 1/4 tsp fine sea salt if it's unsalted.

** We tested this recipe with both an egg and a flax egg. The egg version (shown in the photos) results in slightly more cakey and puffy brownies. The flax version was more fudgy and  a little flatter. For the flax version, make a flax egg by whisking 1 tbsp ground flaxseed with 3 tbsp water and set aside to gel for 5 minutes. Then use in recipe as directed. 

Keywords: banana brownies